Appendices 5-13 - Nautilus Cares - Nautilus Minerals

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Figure 3.1. Sediment bottom thickness surrounding the Solwara 1 mining lease area after simulating the full removal operation. Also shown are the location of the Tip head discharge sites and the outline of the mining zone. Table 3.1 gives a summary of the area covered by each thickness range, their maximum extents and the total area covered. The furthest extent of influence from the mining operation was less than 1 km from the nearest tip head site, where depositional thickness was limited to 0.18 mm which, after a 20 month period, is equal to the natural background sedimentation rate for the region. Page 11 of 18
Table 3.1. Summary of areas covered by each bottom thickness range. Bottom Thickness Range (mm) Area Covered (km 2 ) Page 12 of 18 Maximum Distance from A Tiphead (km) 0.18 – 0.5 2.343 0.972 0.5 – 1.0 1.798 0.710 1 – 5 1.568 0.660 5 – 10 1.047 0.615 10 – 50 0.801 0.565 50 – 100 0.278 0.264 100 - 500 0.166 0.166 > 500 0.003 0.036 * Note. Area and distance calculations are cumulative Figure 3.2. Particle size distribution (microns) graph for the unconsolidated sediments that return to settle back in the Solwara-1 lease areas.
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./0123/M./T!6 1MP!8T ST!T.M./T 1a$t
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Project director David Gwyther Proj
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Appendix 8 Juvenile Amphipod Whole
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10-day Survival of M. plumulosa Pag
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Centre for Environmental Contaminan
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Centre for Environmental Contaminan
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Appendix 9 Elutriate Testing Report
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Table of Contents 1. Introduction 3
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These elutriate tests were designed
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2. An aliquot(s) of sample after ce
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Table 1: pH, redox (Eh), conductivi
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1440 minutes which is also consiste
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Concentration (ppb) 250.0 200.0 150
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Concentration (ug/kg ore) (log scal
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Zinc sulfide is the most soluble of
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Table 5: Major ions in 0.45 !m filt
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3.5 Comparison to ANZECC/ARMCANZ (2
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5. References ANZECC/ARMCANZ (2000)
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Appendix 2: Phase 1: Metal concentr
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Appendix 4: Phase 1: Normalised dat
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Appendix 6: Phase 2: Quality contro
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Appendix 8: Metal concentrations in
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Page 157 and 158: MODELLING THE DISPERSION AND SETTLE
Page 159 and 160: TABLE OF CONTENTS 1 EXECUTIVE SUMMA
Page 161 and 162: 2 MODELLING METHODOLOGY AND DATA 2.
Page 163 and 164: 2.3 The SSFATE Model Sediment dispe
Page 165 and 166: Earth Mechanics Institute of the Co
Page 167: 3 RESULTS AND DISCUSSION The calcul
Page 171 and 172: Figure 3.3b. Sediment bottom thickn
Page 173 and 174: Figure 3.3d. Sediment bottom thickn
Page 175: 4 REFERENCES Swanson J.C., Isaji T.
Page 179 and 180: MODELLING THE DISPERSION OF THE RET
Page 181 and 182: TABLE OF CONTENTS 1 EXECUTIVE SUMMA
Page 183 and 184: Given the range of tidal and basin
Page 185 and 186: dispersion is modelled using a rand
Page 187 and 188: Figure 2.1. Data from the ADCP at 6
Page 189 and 190: 2.5 Outfall Configuration and Assum
Page 191 and 192: 3 RESULTS AND DISCUSSION 3.1 Diluti
Page 193 and 194: Figure 3.1. Snapshot in time of a
Page 195 and 196: 5.0 km at any time during the disch
Page 197 and 198: Figure 3.2. The expected (or averag
Page 199 and 200: Figure 3.4 A zoomed in comparison o
Page 201 and 202: 5 REFERENCES Bear, J. and Verruijt,
Page 203: Rusin J., Lunel T. and Davies L., 1
Page 207 and 208: Prediction of underwater noise asso
Page 209 and 210: Table of Contents 1 Introduction ..
Page 211 and 212: 1 Introduction This report presents
Page 213 and 214: 2 Methods 2.1! Source modelling Cav
Page 215 and 216: dB re 1uPa @ 1m 200 195 190 185 180
Page 217 and 218: Figure 3. Source location for the s
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Depth (m) 0 500 1000 1500 2000 2500
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Figure 7. Plots of predicted receiv
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Figure 9. Zoomed view of plots of p
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Figure 11. Predicted maximum level
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for computing a is given in Fisher
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ecent studies have indicated that c
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sources to close range, and that th
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masking ranges for different marina
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References Fisher, F. H., Simmons,
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Appendix 14 The Potential for Natur
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'leaky' and recent lava flows have
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iii.) Incrementally these 1 m swath
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Appendix 15 Stakeholder Consultatio
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Environmental Impact Statement Solw
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Wewak (22 October 2007) Not recorde
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San Diego (17-18 April 2008) Enviro
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Appendices 5-13 - Nautilus Cares - Nautilus Minerals

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